md_tw.py: Update TWMarkdown.output_block_quote.

Add subsequent indent text to all 'block' tokens inside block quote.

* md_tw.py (TWMarkdown.output_block_quote): Update method.
(TWRenderer.block_quote): Update method.
* tests/data/renderer-block-quote-w.md: New file.
* tests/data/renderer-block-quote.md: New file.
* tests/data/renderer-fences-w.md: Update file.
* tests/test_md_tw.py (test_render_block-_quote): New test.

5 files changed, 101 insertions, 2 deletions

diff --git a/md_tw.py b/md_tw.py
index 866f1fa..0ed992e 100644
--- a/md_tw.py
+++ b/md_tw.py
@@ -270,7 +270,7 @@ class TWRenderer(mistune.Renderer):
         return out
 
     def block_quote(self,  text):
-        out = '{}\n'.format(text.rstrip('>\n'))
+        out = '{}\n\n'.format(text)
         return out
 
     def block_html(self, html):
@@ -368,8 +368,32 @@ class TWMarkdown(mistune.Markdown):
         # Add prefix
         self._add_prefix('> ')
 
+        def process():
+            if self.token['type'] == 'text':
+                txt = self.renderer.tw_fill(self.tok_text())
+            else:
+                # Append subsequent indent.
+                txt = ''.join([
+                    self.tok().rstrip(),
+                    '\n',
+                    self.renderer.tw_get('subsequent_indent'),
+                    '\n'
+                ])
+
+            return txt
+
+        body = self.renderer.placeholder()
+        while self.pop()['type'] != 'block_quote_end':
+            body += process()
+
+        # Remove last trailing subsequent indent.
+        body = body.rstrip(
+            self.renderer.tw_get('subsequent_indent') +
+            '\n'
+        )
+
         # Render block quote
-        rendered_bq = super(TWMarkdown, self).output_block_quote()
+        rendered_bq = self.renderer.block_quote(body)
 
         # Remove prefix
         self._remove_prefix(len('> '))
diff --git a/tests/data/renderer-block-quote-w.md b/tests/data/renderer-block-quote-w.md
new file mode 100644
index 0000000..c4bb232
--- /dev/null
+++ b/tests/data/renderer-block-quote-w.md
@@ -0,0 +1,34 @@
+> This is a blockquote with two paragraphs. Lorem ipsum dolor sit amet,
+> consectetuer adipiscing elit. Aliquam hendrerit mi posuere lectus.
+> Vestibulum enim wisi, viverra nec, fringilla in, laoreet vitae, risus.
+>
+> Donec sit amet nisl. Aliquam semper ipsum sit amet velit. Suspendisse
+> id sem consectetuer libero luctus adipiscing.
+
+Making Me Nervous
+
+> This is a blockquote with two paragraphs. Lorem ipsum dolor sit amet,
+> consectetuer adipiscing elit. Aliquam hendrerit mi posuere lectus.
+> Vestibulum enim wisi, viverra nec, fringilla in, laoreet vitae, risus.
+>
+> Donec sit amet nisl. Aliquam semper ipsum sit amet velit. Suspendisse
+> id sem consectetuer libero luctus adipiscing.
+
+Bad Attraction
+
+> This is the first level of quoting.
+>
+> > This is nested blockquote.
+>
+> Back to the first level.
+
+Overreacting
+
+> ## This is a header.
+>
+> 1.   This is the first list item.
+> 2.   This is the second list item.
+>
+> Here's some example code:
+>
+>     return shell_exec("echo $input | $markdown_script");
diff --git a/tests/data/renderer-block-quote.md b/tests/data/renderer-block-quote.md
new file mode 100644
index 0000000..5dce085
--- /dev/null
+++ b/tests/data/renderer-block-quote.md
@@ -0,0 +1,34 @@
+> This is a blockquote with two paragraphs. Lorem ipsum dolor sit amet,
+> consectetuer adipiscing elit. Aliquam hendrerit mi posuere lectus.
+> Vestibulum enim wisi, viverra nec, fringilla in, laoreet vitae, risus.
+> 
+> Donec sit amet nisl. Aliquam semper ipsum sit amet velit. Suspendisse
+> id sem consectetuer libero luctus adipiscing.
+
+Making Me Nervous
+
+> This is a blockquote with two paragraphs. Lorem ipsum dolor sit amet,
+consectetuer adipiscing elit. Aliquam hendrerit mi posuere lectus.
+Vestibulum enim wisi, viverra nec, fringilla in, laoreet vitae, risus.
+
+> Donec sit amet nisl. Aliquam semper ipsum sit amet velit. Suspendisse
+id sem consectetuer libero luctus adipiscing.
+
+Bad Attraction
+
+> This is the first level of quoting.
+>
+> > This is nested blockquote.
+>
+> Back to the first level.
+
+Overreacting
+
+> ## This is a header.
+> 
+> 1.   This is the first list item.
+> 2.   This is the second list item.
+> 
+> Here's some example code:
+> 
+>     return shell_exec("echo $input | $markdown_script");
diff --git a/tests/data/renderer-fences-w.md b/tests/data/renderer-fences-w.md
index 5cbb95c..21959ba 100644
--- a/tests/data/renderer-fences-w.md
+++ b/tests/data/renderer-fences-w.md
@@ -9,4 +9,5 @@ $ rm -rf /
 > ```bash
 > $ :(){:|:&};:
 > ```
+>
 > For more look at jaramil.dyne.org. He's awesome.
diff --git a/tests/test_md_tw.py b/tests/test_md_tw.py
index 34fe766..64b59a9 100644
--- a/tests/test_md_tw.py
+++ b/tests/test_md_tw.py
@@ -797,6 +797,12 @@ class TestTWRenderer(object):
 
         self._validate(txt, expected_txt)
 
+    def test_render_block_quote(self):
+        txt = self._md('renderer-block-quote.md')
+        expected_txt = self._get('renderer-block-quote-w.md')
+
+        self._validate(txt, expected_txt)
+
     def test_render_block_html(self):
         txt = self._md('renderer-block-html.md')
         expected_txt = self._get('renderer-block-html-w.md')